Handleiding
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Air Conditioner Service Manual
70
6.2.29 Fy or E4--- Gas leakage protection, AC Cooling system abnormal
After compressor works in high frequency for 9 min, if the temperature on IDU evaporator & ODU condenser has
only a little variation comparing previous, but, the compressor discharge temperature on high level, then the unit will
show Fy or E4 failure code.
Check the pipe
connection, any gas
leakage?
Repair and charge new
gas as SPEC.
Check the room &
evaporator coil
temperature.
No
Is the temperature
difference more than
2℃ btw RT & IPT after
unit start 10min.?
Yes
The sensor well
connect to PCB?
Replace the sensor
Any of the evaporator
pipe blocked
No
Replace the
evaporator
Yes
Display Fy/E4
Yes
End
Problem solved?
Replace the indoor PCB
Is malfunction
eliminated?
Yes
The sensor open
or short circuit?
Re-connect
No
No
No
No
Yes
Yes
Bekijk gratis de handleiding van Daizuki DXMHT12E424-24, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Daizuki |
| Model | DXMHT12E424-24 |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 16081 MB |
